1122311021 has 8 divisors (see below), whose sum is σ = 1208917920. Its totient is φ = 1035743472.

The previous prime is 1122310993. The next prime is 1122311023. The reversal of 1122311021 is 1201132211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122311021 - 2⁶ = 1122310957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122310987 and 1122311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122311023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79526 + ... + 92568.

It is an arithmetic number, because the mean of its divisors is an integer number (151114740).

Almost surely, 2^1122311021 is an apocalyptic number.

It is an amenable number.

1122311021 is a deficient number, since it is larger than the sum of its proper divisors (86606899).

1122311021 is a wasteful number, since it uses less digits than its factorization.

1122311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19675.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122311021 is about 33500.9107488140. The cubic root of 1122311021 is about 1039.2126131523.

Adding to 1122311021 its reverse (1201132211), we get a palindrome (2323443232).

The spelling of 1122311021 in words is "one billion, one hundred twenty-two million, three hundred eleven thousand, twenty-one".